Effects of Elevated Temperatures on Rocking Vibration of Rotating Disk and Spindle Systems

[+] Author and Article Information
Chaw-Wu Tseng, Jr-Yi Shen, I. Y. Shen

Department of Mechanical Engineering, University of Washington, Seattle, WA 98195-2600

C.-P. R. Ku

Western Digital Corporation, San Jose, CA 95138

J. Tribol 124(4), 794-800 (Sep 24, 2002) (7 pages) doi:10.1115/1.1456456 History: Received January 17, 2001; Revised August 15, 2001; Online September 24, 2002
Copyright © 2002 by ASME
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Disk/spindle modes; (a) (0,1) unbalanced mode and (b) (0,0) unbalanced modes
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Natural frequencies for aluminum disks on aluminum hub and glass disks on steel hub
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Natural frequencies for aluminum disks on steel hub and glass disks on aluminum hub
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Modeling race/hub assembly by a composite cylinder
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Free-body diagram of the composite cylinder at elevated temperature
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Ball bearing parameters
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A kinematic model to estimate contact angle at elevated temperature
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Waterfall plots of the spindle from 0 to 7200 rpm at 0°C and 60°C
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Theoretical and experimental rocking mode frequencies at 0°C and 60°C with respect to the spin speed



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